Why do humans see in color? According to neuroscientist Mark Changizi, who left academia to run a research institute called 2Ai, it’s so that we could read the emotions of others. In his book, Harnessed, published last summer, …

It might seem like preschool is all about naps and playtime, but the latest research shows that early classroom experiences can have a major impact on later learning and academic performance, especially when it comes to language.